2008 Audi S6 vs. 2007 BMW X3
To start off, 2008 Audi S6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 5,204 cc (10 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (435 HP @ 6800 RPM) has 167 more horse power than 2007 BMW X3. (268 HP @ 6600 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 655 kg more than 2008 Audi S6.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Audi S6 (540 Nm @ 3000 RPM) has 225 more torque (in Nm) than 2007 BMW X3. (315 Nm @ 2750 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2008 Audi S6 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | S6 | X3 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2996 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 268 HP |
| Engine RPM | 6800 RPM | 6600 RPM |
| Torque | 540 Nm | 315 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1815 kg |
| Vehicle Length | 4920 mm | 4570 mm |
| Vehicle Width | 2020 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1860 mm |
| Wheelbase Size | 2850 mm | 2800 mm |
| Fuel Consumption Overall | 14.9 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 80 L | 67 L |
